International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B-YF. Istanbul 2004 
Result can be gotten from the experiment: 
I. When the measured error of image is 0, the error 
calculated is computation error. Compared with the forth 
group experiment (longitudinal overlap 60% & lateral 
overlap 20%) the pitch error of first group experiment 
(longitudinal overlap 10% & lateral overlap 10%) is 
obviously greater. 
2. The attitude error is up to the linear increase of 
measured error. 
3. When the longitudinal overlap is 10% and the lateral 
overlap is 10%(the first group), the attitude error caused by 
the measured error is relatively great. 
4. As for other groups, the pitch error and roll error are 
small and yaw error is relatively great. The maximum error 
of pitch and roll is no more than 7 seconds. The maximum 
yaw error is within | minute (in the limit of double 
maximum square error caused by the measured error which 
is 0.02 mm). 
The second instance: the analysis of influence on the targets' 
positioning precision that image point error caused with varying 
overlap measure. 
The experiment was also divided into four groups, ie. the 
longitudinal overlap is 10% & lateral overlap is 10%, 
longitudinal overlap is 20% & lateral overlap is 20%, 
longitudinal overlap is 30% & lateral overlap is 30%, and 
Longitudinal overlap is 60% & lateral overlap is 20%. The 
measured error is variable from 0.00 mm to 0.03 mm, and 
difference of the terrain is 2000m. The result of the experiment 
is as follow. 
  
~~ Measured error 
X square error (m) 
Vertical square error 
(m) 
- Y square error (m) 
  
  
  
7 000mm — 
13.24-14.31 
12.35-12.98 
668.39-731.69 
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
0.01 mm | zT 11.82-17.80 11.75-14.61 628.77-834.99 
7002 mm = 10.50-21.45 11.27-16.54 594.23-948.30 
am 9.30-25.20 10.93-18.64 565.91-1068.25 
: Table 3 Relationship between measured error and horizontal error when overlap is 10% 
| ; Measured error |  Xsquare error (m) EN square error (m) Merc pine error 
— 000mm 43.73-14.63 12.93-13.29 699.60-752.10 
: : 0.01 mm 14.28-14.40 1313-1319 718.48-744.96 
Y : es 0.02 mm 14.18-14.84 13.09-13.37 737.93-738.01 
es 0.03 mm - 13.96-15.41 12.99-13.63 731.02-758.13 
! Table 6. Relationship between measured error and horizontal error when overlap is 20% 
  
~~ Measured error - 
|. Xsquareerrr(m) | 
- Y square error (m) 
Vertical square error 
  
  
  
  
  
^ 000mm Me. | 17154 715.58-754.62 
= ou mm. | 14.30-14.35 13.21-13.51 730.57-742.86 
77 T o0 mm 13.93-14.72 13.10-13.82 731.04-745.94 
7 908mm 13.57-15.11 13.02-14.14 719.45-761.65 
| Table 7. Relationship between measured error and horizontal error when overlap is 30% 
  
- Measured error 
X square error (m) : 
— Y square error (m) 
Vertical square error 
  
  
  
  
  
  
  
  
Mmm — — 0.04-0.07 0.05-0.05 1.23-0.095 - 
- 001mm 0.69-0.83 0.65-0.95 2.10-38.21 
0.02 mm 1.39-1.63 1.29-1.88 3.80-76.16 
0.03 mm 2.09-2.43 1.93-2.81 5.60-114.11 
  
  
Table 8. Relationship between measured error and horizontal error when longitudinal overlap is 60% & lateral overlap is 20% 
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